Cranborne THI 10-50c, Installation, Commissioning And Servicing Instructions

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CONTENT
IV - INSTALLATION ................................................................................................................................... 23
1 - GENERAL............................................................................................................................................ 23
2 - VENTILATION ..................................................................................................................................... 24
2.1 - THI models with conventional flue connection ........................................................................ 24
2.2 - THI models with balanced flue connection .............................................................................. 24
3 - COMBUSTION PRODUCT FLUEING ................................................................................................. 25
3.1 - Conventional flue outlets (B23 model) ..................................................................................... 25
3.2 - Balanced flue outlet ................................................................................................................. 26
4 - SUPPORT BRACKET.......................................................................................................................... 32
5 - HYDRAULIC CONNECTION ............................................................................................................... 33
5.1 -
R
ecommendations .............................
.................
..................................................................... 33
5.2 - Accessories to connect, install or adjust .................................................................................. 33
5.3 - Under-floor recommendations ................................................................................................. 34
5.4 - Heat exchanger flow rate ......................................................................................................... 34
5.5 - Hydraulic connection for models THI 10-50 C ......................................................................... 35
5.6 - Hydraulic connection for models THI 10-50 C + DHW production system of type BS ............ 35
6 - GAS CONNECTION ............................................................................................................................ 36
6.1 - Connection of a gas safety solenoid ........................................................................................ 36
7 - ELECTRICAL CONNECTION.............................................................................................................. 36
7.1 - Mains connection ..................................................................................................................... 36
7.2 - Connection of the sensors to the LMU management unit ....................................................... 36
7.3 - Under-floor heating safety ....................................................................................................... 36
7.4 - Wiring diagram ........................................................................................................................ 37
V - SETTINGS OF THE INSTALLATION TYPES ..................................................................................... 38
1 - SINGLE CIRCUIT ................................................................................................................................ 38
1.1 - Heating pump relay operation ................................................................................................. 39
1.2 - Hydraulically disconnected operation ...................................................................................... 39
2 - DOUBLE CIRCUIT............................................................................................................................... 40
2.1 - Heating pump relay operation ................................................................................................. 41
2.2 - Without room sensor ............................................................................................................... 41
2.3 - With room sensor .................................................................................................................... 41
2.4 - Recommended installation of the 2nd circuit and relay clip-ins on the LMU ........................... 42
3 - ACCESS THE SETTINGS VIA THE QAA 73 ROOM SENSOR ......................................................... 43
3.1 - Access the lines 51 to 98 ......................................................................................................... 43
3.2 - Access the lines 501 to 755 ..................................................................................................... 44
VI - COMMISSIONING ............................................................................................................................... 45
1 - PROTECTION OF THE INSTALLATION............................................................................................. 45
1.1 - Bionibal .................................................................................................................................... 45
1.2 - Bionibagel ................................................................................................................................ 45
2 - FILLING THE INSTALLATION WITH WATER .................................................................................... 46
3 - PRESSURE SENSOR ......................................................................................................................... 46
4 - GAS SUPPLY ...................................................................................................................................... 46
5 - SETTING THE MAXIMUM POWER IN HEATING MODE................................................................... 47
6 - VERIFICATIONS PRIOR TO COMMISSIONING ................................................................................ 47
7 - USER INFORMATION......................................................................................................................... 47
8 - COMMISSIONING ............................................................................................................................... 48
9 - FLAME SETTING ................................................................................................................................ 49
10 - COMBUSTION PRODUCT CHECKING.............................................................................................. 49